Motor saw



FIG. 1 is a front right perspective view of a motor saw, showing our newdesign;

FIG. 2 is a rear left perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a front end elevation view thereof; and,

FIG. 8 is a rear end elevatioal view thereof.

The ornamental design for a motor saw, as shown and described.